Home / 543,001.24-814,618.86-163,890.28

Finding the Fourth Proportional to 543,001.24, 814,618.86 and 163,890.28

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Solution

The fourth proportional to 543,001.24, 814,618.86 and 163,890.28 is: 245,870.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,001.24 : 814,618.86 = 163,890.28 : x
  2. Step 2: Convert to fraction form
    543,001.24/814,618.86 = 163,890.28/x
  3. Step 3: Cross multiply
    543,001.24x = 814,618.86 × 163,890.28
  4. Step 4: Simplify right side
    543,001.24x = 133,508,113,058.68
  5. Step 5: Solve for x
    x = 133,508,113,058.68/543,001.24
  6. Step 6: Final answer
    x = 245,870.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.